CN214795555U - Portable hand-pulling lifting background frame - Google Patents
Portable hand-pulling lifting background frame Download PDFInfo
- Publication number
- CN214795555U CN214795555U CN202120304510.3U CN202120304510U CN214795555U CN 214795555 U CN214795555 U CN 214795555U CN 202120304510 U CN202120304510 U CN 202120304510U CN 214795555 U CN214795555 U CN 214795555U
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- connecting rod
- rotated
- portable hand
- background frame
- curtain
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Abstract
The utility model discloses a portable hand power lift background frame, including box and curtain, install the base in the box, the upper end of base is rotated and is connected with a pair of connecting rod one, and the upper end of connecting rod one is L type structure, and the upper end of connecting rod one is rotated and is had connecting rod two, and the upper end of connecting rod two is rotated and is provided with the connecting piece, and the connecting piece rotates and is connected with connecting rod three, and the upper end of connecting rod three is rotated and is provided with the connecting seat, and connecting seat fixedly connected with connecting cylinder is provided with interior handle on the connecting seat, and the bottom of box is fixed with a pair of buckle, and the correspondence is provided with the draw-in groove on the connecting rod one. The utility model discloses when using, the axostylus axostyle is in the rolling state with the curtain under rotation mechanism's effect, and simultaneously, the buckle is in the joint state with the bottom of connecting rod one, stability when guaranteeing not using.
Description
Technical Field
The utility model relates to a background frame specifically is a portable hand power lift background frame.
Background
Projection screens are tools used in movies, offices, home theaters, large conferences, etc. to display images and video files. And can be divided into various sizes.
The selection of different space projection screens is different, for example, a wide viewing angle and a low gain screen are suitable for the occasions with more people to watch or the occasions to watch transversely, a narrow viewing angle and a high gain screen are selected for watching in a narrow and long space, and a screen with proper gain is selected at the same time, so that the contrast of the screen is improved, the gray level of an image is increased, the color is bright, and the observability of the image is increased.
However, the conventional curtain is inconvenient to support and store and is inconvenient to put forward after storage. Therefore, the utility model provides a portable hand power lift background frame to solve the problem that proposes among the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable hand power lift background frame to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a portable hand power lift background frame, includes box and curtain, install the base in the box, the upper end of base is rotated and is connected with a pair of connecting rod one, the upper end of connecting rod one is L type structure, the upper end of connecting rod one is rotated there is connecting rod two, the upper end of connecting rod two is rotated and is provided with the connecting piece, the connecting piece rotates and is connected with connecting rod three, the upper end of connecting rod three is rotated and is provided with the connecting seat, connecting seat fixedly connected with connecting cylinder is provided with interior handle on the connecting seat, pull up the curtain through interior handle, the bottom of box is fixed with a pair of buckle, the correspondence is provided with the draw-in groove on the connecting rod one.
As a further aspect of the present invention: the curtain winding device is characterized in that the rotating mechanisms are mounted on the left side and the right side in the box body, a shaft lever is fixedly connected between the rotating mechanisms, a curtain is fixed between the shaft lever and the connecting cylinder, and the curtain is in a winding state under the action of the rotating mechanisms.
As a further aspect of the present invention: the curtain is wound on the shaft rod.
As a further aspect of the present invention: the connecting rods II are connected in a crossed and rotating mode, the connecting rods I and the connecting rods II are rotatably provided with air springs, under the action of the air springs, the curtain is in a supporting state, stability is kept, and the height can be freely adjusted.
As a further aspect of the present invention: the slewing mechanism comprises a shell and a volute spiral spring, and the volute spiral spring is fixedly connected with the shaft rod.
As a further aspect of the present invention: one side of the box body is rotatably provided with a cover body, and the upper end of the cover body is provided with an outer handle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses when using, the axostylus axostyle is in the rolling state with the curtain under rotation mechanism's effect, and simultaneously, the buckle is in the joint state with the bottom of connecting rod one, stability when guaranteeing not using.
2. The utility model discloses opening the lid, pulling up the curtain through interior handle, the simple operation, under the effect of air spring, the curtain is in the support state, and stability is kept, and can freely height-adjusting.
Drawings
Fig. 1 is a schematic structural view of a portable hand-pulling lifting background frame.
Fig. 2 is a schematic structural view of the appearance of a box body in the portable hand-pulling lifting background frame.
Fig. 3 is a schematic structural view of a box body in the portable hand-pulling lifting background frame.
In the figure: 1. a box body; 2. a gas spring; 3. a base; 4. buckling; 5. a swing mechanism; 6. a curtain; 7. a connecting cylinder; 8. a connecting seat; 9. an inner handle; 10. a third connecting rod; 11. a connecting member; 12. a second connecting rod; 13. a shaft lever; 14. a cover body; 15. an outer handle; 16. and a first connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, in the embodiment of the utility model, a portable hand power lift background frame, including box 1 and curtain 6, install base 3 in the box 1, the upper end of base 3 is rotated and is connected with a pair of connecting rod 16, the upper end of connecting rod 16 is L type structure, the upper end of connecting rod 16 is rotated and is had connecting rod two 12, the upper end of connecting rod two 12 is rotated and is provided with connecting piece 11, connecting piece 11 is rotated and is connected with connecting rod three 10, the upper end of connecting rod three 10 is rotated and is provided with connecting seat 8, connecting seat 8 fixedly connected with connecting cylinder 7, be provided with interior handle 9 on the connecting seat 8, the bottom of box 1 is fixed with a pair of buckle 4, it is provided with the draw-in groove to correspond on the connecting rod 16.
Furthermore, the left side and the right side in the box body 1 are both provided with rotating mechanisms 5, a shaft lever 13 is fixedly connected between the rotating mechanisms 5, a curtain 6 is fixed between the shaft lever 13 and the connecting cylinder 7, and the curtain 6 is wound on the shaft lever 13.
Specifically, the utility model discloses when using, axostylus axostyle 13 is in the rolling state with curtain 6 under rotation mechanism 5's effect.
Furthermore, the connecting rods 12 are connected in a cross rotating mode, the gas spring 2 is arranged between the connecting rod 16 and the connecting rod 12 in a rotating mode, the rotating mechanism 5 comprises a shell and a volute spiral spring, the volute spiral spring is fixedly connected with the shaft rod 13, a cover body 14 is arranged on one side of the box body 1 in a rotating mode, and an outer handle 15 is arranged at the upper end of the cover body 14.
Specifically, buckle 4 is in the joint state with the bottom of connecting rod 16, and when using, opens lid 14, pulls up curtain 6 through interior handle 9, and under the effect of air spring 2, curtain 6 is in support state, and stability is kept, and can freely adjust the height.
The utility model discloses a theory of operation is:
the utility model discloses when using, axostylus axostyle 13 is in the rolling state with curtain 6 under rotation mechanism 5's effect, and simultaneously, buckle 4 is in the joint state with the bottom of connecting rod 16, when using, opens lid 14, pulls up curtain 6 through interior handle 9, and under the effect of air spring 2, curtain 6 is in the supported state, and stability is kept, and can freely height-adjusting.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a portable hand power lift background frame, includes box (1) and curtain (6), a serial communication port, install base (3) in box (1), the upper end of base (3) is rotated and is connected with a pair of connecting rod (16), the upper end of connecting rod (16) is L type structure, the upper end of connecting rod (16) is rotated and is had connecting rod two (12), the upper end of connecting rod two (12) is rotated and is provided with connecting piece (11), connecting piece (11) are rotated and are connected with connecting rod three (10), the upper end of connecting rod three (10) is rotated and is provided with connecting seat (8), connecting seat (8) fixedly connected with connecting cylinder (7), be provided with interior handle (9) on connecting seat (8), the bottom of box (1) is fixed with a pair of buckle (4), the correspondence is provided with the draw-in groove on connecting rod (16).
2. The portable hand-pulling elevating background frame as claimed in claim 1, wherein the rotating mechanisms (5) are installed on the left and right sides of the box body (1), a shaft rod (13) is fixedly connected between the rotating mechanisms (5), and a curtain (6) is fixed between the shaft rod (13) and the connecting cylinder (7).
3. A portable hand-pulled up-down background frame as claimed in claim 1, wherein the curtain (6) is wound around a shaft (13).
4. A portable hand-pulling elevating background frame as recited in claim 1, wherein the second connecting rod (12) is cross-rotatably connected, and the gas spring (2) is rotatably disposed between the first connecting rod (16) and the second connecting rod (12).
5. A portable hand-pulled elevating background frame as claimed in claim 2, wherein the swing mechanism (5) comprises a housing and a volute spring, the volute spring is fixedly connected with the shaft rod (13).
6. The portable hand-pulling lifting background frame as claimed in claim 1, wherein a cover (14) is rotatably arranged at one side of the box body (1), and an outer handle (15) is arranged at the upper end of the cover (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120304510.3U CN214795555U (en) | 2021-02-03 | 2021-02-03 | Portable hand-pulling lifting background frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120304510.3U CN214795555U (en) | 2021-02-03 | 2021-02-03 | Portable hand-pulling lifting background frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214795555U true CN214795555U (en) | 2021-11-19 |
Family
ID=78751948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120304510.3U Active CN214795555U (en) | 2021-02-03 | 2021-02-03 | Portable hand-pulling lifting background frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214795555U (en) |
-
2021
- 2021-02-03 CN CN202120304510.3U patent/CN214795555U/en active Active
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